Making Production Ready Android App

Session in Google for Startups on "How to make Production-ready Android App"

Transcript

1. theDroidLady Making your App Production ready. Let’s make it easy for you.
2. theDroidLady Agenda • Architecture • MVP vs Update Release • Release Checklist • Understanding Play Console • My Recommendations • Things I wish I knew :)
3. theDroidLady Architecture 01.
4. theDroidLady Excuses 🤷 • We don’t need an architecture. • Don’t have enough time for architecture. • We are a lean team.
5. theDroidLady Credits : DesignCrowd
6. theDroidLady App Architecture 01.2
7. theDroidLady Without Packaging With Packaging
9. theDroidLady Few things to better understand • Language & Platform Agnostic Clean Code & S.O.L.I.D Principles
10. theDroidLady Few things to better understand • Language & Platform Agnostic • Improves Changeability • Learn when it is important and essential both.
11. theDroidLady MVP vs Update Release 02.
12. theDroidLady MVP (Minimum Viable Product)
13. theDroidLady Update Release.
14. theDroidLady MVP How we do things?
15. theDroidLady How we do things? • No architecture • Ship it fast. • Use 3rd party libraries/frameworks. • Get the market fit.
16. theDroidLady Update Release Make your Product scalable.
17. theDroidLady Make your Product scalable. • Migrate app to proper architecture. • Use design pattern. • Start Minimizing resources. • Have a proper planning.
18. theDroidLady Release Checklist 03.
19. theDroidLady Release Checklist : 03.2 101
20. theDroidLady Add proper comments. !!/** * @param input * @return SomeRandomOutput !*/ fun doSomeCalculation(input:Int) : SomeRandomOutput { !//do your task here }
21. theDroidLady Convert your images to SVG/WebP JPEG / PNG SVGs WebP ~ 300 KB ~ 5 KB ~ 30-40 KB
22. theDroidLady Convert your images to SVG/WebP
23. theDroidLady Using Lint checks
24. theDroidLady Others. • Optimize imports • Reorganize code “ Use macros to club both of them together ” • Handle permissions
25. theDroidLady Use Macros
26. theDroidLady Use Macros Credits: Easy Read
27. theDroidLady Release Checklist : 03.2 201
28. theDroidLady Start analyzing 3rd party libs •Use the ones with more community support. •Check for maximum number of stars on GitHub. •Try to use open-source libs more. •Try to extract/use the feature you need.
29. theDroidLady Implementation vs debugImplementation debugImplementation ‘com.squareup.leakcanary:leakcanary-android:X.X’ implementation 'com.squareup.retrofit2:retrofit:X.X.X'
30. theDroidLady Variants & Flavors. public class ConfigBuilder { public static Config getConfig() { switch (BuildConfig.FLAVOR){ case BuildConstants.PROD: case BuildConstants.PROD_KITKAT: return new ProdConfig(); default: return new DevConfig(); } } }
31. theDroidLady Variants & Flavors. public class ProdConfig implements Config { @Override public String getHostUrl(){ return HOST; } @Override public String getApiHostUrl() { return API_HOST; } @Override public String getReportErrorUrl() { return REPORT_ERROR; } } Same would be there for other configs
32. theDroidLady Error handling. when(exception){ is UnAuthorizedException !-> !// Show an Un-Auth message is ArithmeticException !-> !// Show that specific message else !-> toast("Something went wrong!") }
33. theDroidLady • Reviewing crash logs from your crashlytics services. • Write Proguard rules where you need obfuscation, optimisation and shrinking.
34. theDroidLady Release Checklist : 03.3 301
35. theDroidLady Versioning versionName “Major.Minor.Patch” Check this out for more info: https://semver.org/
36. theDroidLady Generate release build.
37. theDroidLady • Sharing with QA Team using distribution channel like Firebase.
38. theDroidLady Analyze APK Credits : riggaroo.dev
39. theDroidLady Connect your project using CI/CD pipeline Credits : Medium
40. theDroidLady • Attach additional task like lint checks, optimizing imports etc. in your pre-commit. • Push to Play Store.
41. theDroidLady Understanding Play Console 04.
42. theDroidLady Understanding KPIs
43. theDroidLady Crashes & ANRs.
44. theDroidLady Understanding Android Vitals
45. theDroidLady Vitals
46. theDroidLady Vitals
47. theDroidLady Staged Rollout
48. theDroidLady • Alpha/Beta Testing • Open & Internal Testing • Publishing to the user
49. theDroidLady My Recommendations 05.
50. theDroidLady Recommendations. • Choose a friendly architecture. • Try to keep your code modular. • Write Readable code. • Be careful with what you declare in Manifest. • Keep regular committing and raise smaller PRs. • Have pre-commit checks. • Work on Multiple Build Variants • Keep an eye on 3rd party libraries. • Handle Error gracefully. • Test, Test & Test. • Deployment & Distribution pipeline.
51. “ If you are ordering food from outside everyday, it is worth getting a premium membership to a food delivery service. You don’t want to be paying recurring delivery charges every time, because that’s expensive! That’s the difference between writing and not writing tests! “ Ragunath Jawahar
52. theDroidLady • Slides : https:"//speakerdeck.com/niharika28/unit-testing-what-why-and-how • Source Code : https:"//github.com/niharika2810/UnitTesting-MVVM-Kotlin-Koin-Coroutines-Sample • Blog : https:"//medium.com/1mgofficial/unit-testing-in-mvvm-kotlin-databinding-ba3d4ea08f0e
53. “ Just writing the code is not enough, Writing in an efficient way is the real challenge. Do mistakes & learn.“ @theDroidLady
54. theDroidLady Catch up: • Github : https:!//github.com/niharika2810 • Medium : https:!//medium.com/@nik.arora8059 • LinkedIn : https:!//www.linkedin.com/in/thedroidlady/ • Twitter : https:!//twitter.com/theDroidLady • Portfolio : https:!//thedroidlady.com/
55. theDroidLady Questions? Thank You 🙏